package cn.tedu._04mybatis.mapper;

import cn.tedu._04mybatis.pojo.entity.Comment;
import cn.tedu._04mybatis.pojo.vo.CommentVO;
import cn.tedu._04mybatis.pojo.vo.CommentVO2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {
    @Insert("INSERT INTO comment (content , created , user_id ,weibo_id) VALUES (#{content}, #{created} , #{userId} ,#{weiboId})")
    int insertComment(Comment comment);
    @Delete("DELETE FROM comment WHERE id =#{id}")
    int deleteComment(Long id);
    @Update("UPDATE comment SET content = #{content}  WHERE id = #{id} ")
    int updateById(Comment comment);
    @Select("SELECT content, user_id userId ,weibo_id weiboId FROM comment WHERE id = #{id}")
    CommentVO selectCommentById(Long id);
    @Select("SELECT content, user_id userId ,weibo_id weiboId FROM comment WHERE weibo_id = #{weiboId}")
    List<CommentVO2> selectCommentById2(Long weiboId);
}
